OpenCPN Partial API docs
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comm_navmsg_bus.cpp
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1/**************************************************************************
2 * Copyright (C) 2022 by David Register *
3 * Copyright (C) 2022 Alec Leamas *
4 * *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
9 * *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
14 * *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
19 **************************************************************************/
20
27
28void NavMsgBus::Notify(std::shared_ptr<const NavMsg> msg) {
29 auto key = NavAddr::BusToString(msg->bus) + "::" + msg->GetKey();
30 {
31 std::lock_guard lock(m_mutex);
32 if (m_active_messages.find(key) == m_active_messages.end())
34 m_active_messages.insert(key);
35 }
36 Observable(*msg).Notify(msg);
37}
38
39NavMsgBus& NavMsgBus::GetInstance() {
40 static NavMsgBus instance;
41 return instance;
42}
43
Common interface for all drivers.
Definition comm_driver.h:58
const void Notify()
Notify all listeners, no data supplied.
The raw message layer, a singleton.
void Notify(std::shared_ptr< const NavMsg > message)
Accept message received by driver, make it available for upper layers.
EventVar new_msg_event
Notified without data when new message type(s) are detected.
The observable notify/listen basic nuts and bolts.
Definition observable.h:81
virtual const void Notify()
Notify all listeners about variable change.
Raw messages layer, supports sending and recieving navmsg messages.